
export function TMap(key) {
  return new Promise(function (resolve, reject) {
    window.init = function () {
      resolve(window.qq)   //关键
    }
    var script = document.createElement('script')
    script.type = 'text/javascript'
    script.src = `https://map.qq.com/api/js?v=2.exp&callback=init&key=${key}`
    script.onerror = reject
    document.head.appendChild(script)
  })
}